<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="规格名称" prop="ruleName">
        <el-input
          v-model="queryParams.ruleName"
          placeholder="请输入规格名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['custom:rule:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['custom:rule:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['custom:rule:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['custom:rule:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="ruleList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="ID" align="center" prop="id"/>
      <el-table-column label="规格名称" align="center" prop="ruleName"/>
      <el-table-column label="商品规格" align="center">
        <template slot-scope="scope">
          <span v-for="item in JSON.parse(scope.row.ruleValue)">
            {{item.key}}
          </span>
        </template>
      </el-table-column>
      <el-table-column label="商品属性" align="center" prop="ruleValue">
        <template slot-scope="scope">
          <span v-for="item in JSON.parse(scope.row.ruleValue)">
            {{item.value}}
            <br>
          </span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['custom:rule:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['custom:rule:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品规则值(规格)对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="900px" append-to-body>
      <el-form :inline="true" ref="form" :model="form" label-width="120px">
        <el-form-item :rules="{required: true, message: '规格名称不能为空', trigger: 'blur'}" label="规格模板名称：" prop="ruleName">
          <el-input v-model="form.ruleName" placeholder="请输入规格名称"/>
        </el-form-item>
        <br>

        <!--        <el-form-item label="规格值" prop="ruleValue">-->
        <!--          <el-input v-model="form.ruleValue" type="textarea" placeholder="请输入内容" />-->
        <!--        </el-form-item>-->

          <div class="tag1" v-for="(tag, index) in specs.rule">
            <el-tag
              :key="tag.key"
              closable
              @close="handleCloseKey(index)"
              effect="dark">
              {{ tag.key }}
            </el-tag>
            <br>
            <el-tag v-if="tag.value !== ''" v-for="(t, idx) in tag.value.split(',')"
                    :key="t"
                    closable
                    :disable-transitions="false"
                    @close="handleClose(index,idx)">
              {{ t }}
            </el-tag>
            <el-button v-if="!isShowTextarea" icon="el-icon-edit" class="button-new-tag" size="small"
                       @click="showTextarea(index)">添加
            </el-button>
          </div>
        <el-input v-if="isShowTextarea" type="textarea" v-model="form.ruleValue"></el-input>

        <template v-if="!isShow">
          <el-form-item label="规格名称：">
            <el-input v-model="obj.key"></el-input>
          </el-form-item>

          <el-form-item label="规格值：">
            <el-input v-model="obj.value"></el-input>
          </el-form-item>

          <el-button type="primary" @click.prevent="onSubmit">确 定</el-button>
          <el-button @click.prevent="removeObj">取消</el-button>
        </template>
        <br>
        <el-form-item v-show="isShow && !isShowTextarea">
          <el-button type="primary" icon="el-icon-edit" @click="addSpecs">添加新规格</el-button>
        </el-form-item>
        <el-form-item v-show="isShowTextarea">
          <el-button type="primary" icon="el-icon-edit" @click="editSpecs">确定</el-button>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {listRule, getRule, delRule, addRule, updateRule} from "@/api/custom/rule";

export default {
  name: "Rule",
  data() {
    return {
      idx:'',
      obj: {},
      isShowTextarea: false,
      isShow: true,
      specs: {
        rule: [
        ]
      },
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 商品规则值(规格)表格数据
      ruleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        ruleName: null,
        ruleValue: null,
        createTime: null,
        updateTime: null
      },
      // 表单参数
      form: {}
    };
  },
  created() {
    this.getList();
  },
  methods: {
    editSpecs(){
      this.specs.rule[this.idx].value = this.form.ruleValue
      this.isShowTextarea = false
    },
    showTextarea(index) {
      this.isShowTextarea = true
      this.form.ruleValue = this.specs.rule[index].value
      this.idx = index
    },
    handleCloseKey(index){
      this.specs.rule.splice(index,1)
      this.form.ruleValue = ''
      this.isShowTextarea = false
    },
    handleClose(index, idx) {
      let valueSplit = this.specs.rule[index].value.split(',')
      valueSplit.splice(idx, 1)
      this.specs.rule[index].value = valueSplit.join(',')
    },
    onSubmit() {
      if (this.obj.key === undefined || this.obj.value === undefined) {
        this.$message({
          message: ' 请添加规格名称或规格值',
          type: 'warning'
        });
        return false
      }

      this.isShow = true
      this.specs.rule.push(this.obj);
      this.obj = {}
    },
    addSpecs() {
      this.isShow = false
    },
    removeObj() {
      this.obj = {}
      this.isShow = true
    },
    /** 查询商品规则值(规格)列表 */
    getList() {
      this.loading = true;
      listRule(this.queryParams).then(response => {
        this.ruleList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.isShowTextarea = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        ruleName: null,
        ruleValue: null,
        createTime: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加商品规则值(规格)";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getRule(id).then(response => {
        this.form = response.data;
        this.specs.rule = JSON.parse(response.data.ruleValue)
        this.open = true;
        this.title = "修改商品规则值(规格)";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.form.ruleValue = JSON.stringify(this.specs.rule)
          if (this.form.id != null) {
            updateRule(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addRule(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除商品规则值(规格)编号为"' + ids + '"的数据项？').then(function () {
        return delRule(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('custom/rule/export', {
        ...this.queryParams
      }, `rule_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
<style>
.el-tag + .el-tag {
  margin-left: 10px;
}

.button-new-tag {
  margin-left: 10px;
  height: 28px;
  line-height: 26px;
  padding-top: 0;
  padding-bottom: 0;
}

.input-new-tag {
  width: 90px;
  margin-left: 10px;
  vertical-align: bottom;
}
.tag1{
  margin-bottom: 10px;
}
.tag1 span{
  margin-bottom: 10px;
}
</style>
